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rgba(22,31,54,.06);backdrop-filter:blur(12px)}.site-brand{display:inline-flex;align-items:center;gap:10px;color:#172033;text-decoration:none;font-weight:800}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#172033;color:#fff;font-weight:900}.site-nav a:not(.site-brand){color:#4b5565;text-decoration:none;font-weight:700;font-size:.95rem}.site-nav a:hover{text-decoration:underline}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 0;color:#66777b;font-weight:750}.topbar a{text-decoration:none;color:#172033}.topbar span{font-size:.9rem}.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:22px;align-items:stretch;padding:32px 0}.eyebrow{display:inline-flex;margin:0 0 14px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #d6e8e9;color:var(--deep);font-weight:850;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.hero h1{font-size:clamp(2.1rem,6vw,4.6rem);letter-spacing:-.06em;line-height:.96;margin:0 0 18px;color:#122236}.intro{font-size:1.14rem;max-width:710px;color:#51636b;margin:0}.result-card,.panel{background:rgba(255,255,255,.95);border:1px solid var(--line);box-shadow:0 18px 50px rgba(13,94,111,.12);border-radius:28px}.result-card{position:relative;overflow:hidden;padding:24px;display:flex;flex-direction:column;justify-content:center;min-height:220px}.result-card:before{content:"";position:absolute;inset:auto -20% -55% -20%;height:160px;background:linear-gradient(135deg,#9ae6f0,#0b8aa0);border-radius:50%;opacity:.45}.label,.metric span{color:#69777e;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:850}.result-card strong{font-size:clamp(2rem,5vw,3.4rem);letter-spacing:-.05em;color:var(--deep);z-index:1}.result-card p{margin:.5rem 0 0;color:#52636b;z-index:1}.calculator{padding:24px;display:grid;grid-template-columns:minmax(0,1fr) 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